Professor and director of the Institute for Cell Biology and Medicine at Stanford University, Irving Weissman, on the progress of stem cell research, reproductive cloning and the government’s regulation of those technologies. Then, a conversation about the film Intolerable Cruelty with directors, brothers Joel and Ethan Coen, and actors George Clooney and Catherine Zeta-Jones.This product is manufactured on demand using DVD-R recordable media. Amazon.com’s standard return policy will apply.